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Payy halts all crypto card payments after bridge exploit drains funds

Catheryne Nicholson Crypto infrastructure writer EgonCoin

Post by Catheryne Nicholson

Payy halts all crypto card payments after bridge exploit drains funds EgonCoin © egoncoin.com
Payy halts all crypto card payments after bridge exploit drains funds © egoncoin.com

Payy has frozen all stablecoin payments and card transactions after an exploit drained its Ethereum bridge contract. Users are locked out of their balances as the company investigates the breach.

Payy users woke up to find their stablecoin payment network frozen. The company stopped all transactions without warning, including card purchases, after an exploit drained its Ethereum bridge contract. User funds are now locked. There is no way to deposit, withdraw, transfer, or spend through Payy's platform.

Bridge exploit shuts down the network

The trouble started at 4:21 a.m. UTC on September 24. At Ethereum block 26044909, a transaction moved 1,832,149.4681 USDC out of a Payy rollup contract. Payy's public statement did not mention the exact amount or share a transaction hash. But on-chain data shows this outflow and points to the scale of the exploit. Payy said the bridge was "drained of its full balance." The company has not broken down the losses or said how much belonged to customers versus company reserves.

Independent on-chain analysis confirmed that 1,832,149 USDC was drained from Payy's Ethereum bridge contract in a single transaction, marking a total loss of bridge funds.

Blockchain Analyst

All Payy Network activity stopped right away. Deposits, withdrawals, transfers, and card payments are all paused. The freeze goes beyond stablecoin transfers. Users who rely on Payy's card for daily spending are now cut off. There is no timeline for when service will return. Payy has not said how many users had active balances or tried to make transactions during the outage.

User impact and unanswered questions

Every Payy customer is now locked out of their funds. There is no way to move or spend assets on the platform. Payy's statement gave no details about what caused the exploit. There is no promise that user balances are safe. Users do not know if their funds will be restored or if they will have to take the loss.

Payy says it is following incident response guidelines and will share updates as the investigation goes on. But the company has not said when service might return or how much customers lost. This silence adds to the uncertainty. Stablecoin bridges have faced risks before. As reported earlier, confidence in stablecoin infrastructure can collapse quickly when things go wrong.

External blockchain researchers have linked the exploit to a verifyRollup transaction, suggesting either infrastructure compromise or message forgery that tricked a validator into signing a malicious batch. While this remains a hypothesis, it highlights the complex attack vectors facing cross-chain bridges and the need for robust incident response protocols.

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On-chain evidence and market context

The only confirmed number so far is the $1.83 million USDC that left the Payy rollup contract during the exploit. Without a full report from Payy, the total loss is still unknown. By freezing all network activity, including card payments, Payy shows that the risk is not limited to one contract. The whole payment system may be affected.

Stablecoin bridges are now a key part of crypto payments. But their security is still a big problem. The Payy breach shows that even established payment networks can be hit hard when smart contracts or cross-chain systems fail. Until Payy gives a clear update, users and merchants are stuck with frozen balances and no way to recover their money.

Payy's sudden freeze after the bridge exploit is a sharp warning. Stablecoin payment platforms can be brought down by technical or operational risks at any time. Payy's lack of transparency only makes things worse for users. With no timeline for recovery and no breakdown of losses, the market is left guessing about the real damage. For U.S. users and anyone who depends on stablecoin cards for daily spending, this event shows why strong risk controls and open communication from payment providers matter. Until Payy gives real answers, trust in its platform-and in similar stablecoin payment rails-will stay shaky.

Stablecoin bridges move assets between blockchains, but they come with unique risks. Unlike traditional payment networks, these bridges use smart contracts that can be drained in a single exploit. Users who keep assets on platforms built on this tech face sudden freezes and possible losses, especially when companies do not share real-time updates or clear plans to fix problems. As stablecoins become more common in daily payments, the security and management of bridge contracts will stay a top concern for users and regulators.

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